package com.bawei.mall.product.service.impl;

import java.util.List;

import com.bawei.common.core.exception.ServiceException;
import com.bawei.common.core.utils.DateUtils;
import com.bawei.common.core.utils.bean.BeanUtils;
import com.bawei.common.core.utils.thread.ThreadPool;
import com.bawei.common.security.utils.SecurityUtils;
import com.bawei.mall.product.cache.ProductInfoCache;
import com.bawei.mall.product.domain.MallProductRuleInfo;
import com.bawei.mall.product.domain.MallProductSkuInfo;
import com.bawei.mall.product.domain.model.ProductModel;
import com.bawei.mall.product.domain.model.SkuModel;
import com.bawei.mall.product.domain.reponse.ProductDetailsResponse;
import com.bawei.mall.product.domain.reponse.ProductInfoResponse;
import com.bawei.mall.product.domain.request.ProductInfoRequest;
import com.bawei.mall.product.service.IMallProductRuleInfoService;
import com.bawei.mall.product.service.IMallProductSkuInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.bawei.mall.product.mapper.MallProductInfoMapper;
import com.bawei.mall.product.domain.MallProductInfo;
import com.bawei.mall.product.service.IMallProductInfoService;
import org.springframework.transaction.annotation.Transactional;

/**
 * 商品信息Service业务层处理
 *
 * @author JiangBoLin
 * @date 2022-09-19
 */
@Service
public class MallProductInfoServiceImpl implements IMallProductInfoService
{
    @Autowired
    private MallProductInfoMapper mallProductInfoMapper;

    @Autowired
    private IMallProductSkuInfoService skuInfoService;

    @Autowired
    private IMallProductRuleInfoService ruleInfoService;

    @Autowired
    private ProductInfoCache productInfoCache;

    /**
     * 查询商品信息
     *
     * @param id 商品信息主键
     * @return 商品信息
     */
    @Override
    public ProductInfoResponse selectMallProductInfoById(Long id)
    {
        MallProductInfo mallProductInfo = mallProductInfoMapper.selectMallProductInfoById(id);
        ProductInfoResponse productInfoResponse = new ProductInfoResponse();
        BeanUtils.copyBeanProp(productInfoResponse, mallProductInfo);
        productInfoResponse.setSkuInfoList(
                skuInfoService.selectMallProductSkuInfoList(new MallProductSkuInfo(){{
                    setProductId(id);
                }})
        );
        return productInfoResponse;
    }

    @Override
    public ProductDetailsResponse selectProductDetailsById (Long productId) {
        if (productId == null || productId == 0){
            throw new ServiceException("查询商品信息，依据不合法！");
        }
        ProductDetailsResponse productDetailsResponse = new ProductDetailsResponse();
        ProductModel productModel = mallProductInfoMapper.selectProductModelById(productId);
        if (productModel == null){
            throw new ServiceException("查询商品信息，商品数据为空");
        }
        productDetailsResponse.setProduct(productModel);
        List<MallProductSkuInfo> mallProductSkuInfos = skuInfoService.selectMallProductSkuInfoList(productId);
        if (mallProductSkuInfos == null || mallProductSkuInfos.size() == 0){
            throw new ServiceException("查询商品信息，SKU数据为空");
        }
        productDetailsResponse.setSkuList(mallProductSkuInfos);
        MallProductRuleInfo ruleInfo = ruleInfoService.selectMallProductRuleInfoById(productModel.getRuleId());
        if (ruleInfo == null){
            throw new ServiceException("查询商品信息，规格数据为空");
        }
        productDetailsResponse.setProductRule(ruleInfo);
        return productDetailsResponse;
    }

    /**
     * 查询商品信息列表
     *
     * @param mallProductInfo 商品信息
     * @return 商品信息
     */
    @Override
    public List<MallProductInfo> selectMallProductInfoList(MallProductInfo mallProductInfo)
    {
        return mallProductInfoMapper.selectMallProductInfoList(mallProductInfo);
    }

    /**
     * 新增商品信息
     *
     * @param productInfoRequest 商品信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertMallProductInfo(ProductInfoRequest productInfoRequest)
    {
        productInfoRequest.setCreateBy(String.valueOf(SecurityUtils.getUserId()));
        productInfoRequest.setCreateTime(DateUtils.getNowDate());
        int i = mallProductInfoMapper.insertMallProductInfo(productInfoRequest);
        if (i == 0){
            return i;
        }

        skuInfoService.batchInsertProductSku(
                SkuModel.builderSkuModel(productInfoRequest.getId(), productInfoRequest.getSkuInfoList())
        );


        return i;
    }

    /**
     * 修改商品信息
     *
     * @param productInfoRequest 商品信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateMallProductInfo(ProductInfoRequest productInfoRequest)
    {
        productInfoRequest.setUpdateBy(String.valueOf(SecurityUtils.getUserId()));
        productInfoRequest.setUpdateTime(DateUtils.getNowDate());
        int i = mallProductInfoMapper.updateMallProductInfo(productInfoRequest);
        if (i == 0){
            return i;
        }
        skuInfoService.deleteMallProductSkuInfoByProductId(productInfoRequest.getId());
        skuInfoService.batchInsertProductSku(
                SkuModel.builderSkuModel(productInfoRequest.getId(), productInfoRequest.getSkuInfoList())
        );
        return i;
    }

    /**
     * 批量删除商品信息
     *
     * @param ids 需要删除的商品信息主键
     * @return 结果
     */
    @Override
    public int deleteMallProductInfoByIds(Long[] ids)
    {
        skuInfoService.deleteMallProductSkuInfoByProductIds(ids);
        for (Long id : ids) {
            productInfoCache.delayRemove(id);
        }
        // 延迟执行

        return mallProductInfoMapper.deleteMallProductInfoByIds(ids);
    }

    /**
     * 删除商品信息信息
     *
     * @param id 商品信息主键
     * @return 结果
     */
    @Override
    public int deleteMallProductInfoById(Long id)
    {
        return mallProductInfoMapper.deleteMallProductInfoById(id);
    }

    /**
     * 商品总条数
     * @param mallProductInfo 商品查询
     * @return
     */
    @Override
    public Long selectMallProductInfoCount (MallProductInfo mallProductInfo) {
        return mallProductInfoMapper.selectMallProductInfoCount(mallProductInfo);
    }
}
